<template>
  <div class="el-empty">
    <div class="el-empty__image"
         :style="imageStyle">
      <img v-if="image"
           :src="image"
           ondragstart="return false">
      <slot v-else
            name="image">
        <img-empty />
      </slot>
    </div>
    <div class="el-empty__description">
      <slot v-if="$slots.description"
            name="description"></slot>
      <p v-else>{{ emptyDescription }}</p>
    </div>
    <div v-if="$slots.default"
         class="el-empty__bottom">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import ImgEmpty from './img-empty.vue'
import { t } from 'element-ui/src/locale'

export default {
  name: 'Empty',
  components: {
    [ImgEmpty.name]: ImgEmpty
  },
  props: {
    image: {
      type: String,
      default: ''
    },
    imageSize: Number,
    description: {
      type: String,
      default: ''
    }
  },
  computed: {
    emptyDescription () {
      return this.description || t('el.empty.description')
    },
    imageStyle () {
      return {
        width: this.imageSize ? `${this.imageSize}px` : ''
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.el-empty {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  box-sizing: border-box;
  padding: 40px 0;
}
.el-empty__image {
  width: 160px;
}
.el-empty__image svg {
  fill: #dcdde0;
  width: 100%;
  height: 100%;
  vertical-align: top;
}
</style>
